[c-nsp] PIM SSM behavior when receiving IGMPv3 *,G joins

[Aleksey V. Fedorov]

Hi!

>> I'm just not sure how this valid IGMPv3 join is supposed to be handled
>> in an SSM environment. The situation has come up and I have no idea
>> what the expected behavior is.
>>
>
> To answer my own question, I think, I just found this in RFC 4607:
>
>   A router that receives such a
>   non-source-specific request for data in the SSM range MUST NOT use
>   the request to establish forwarding state and MUST NOT propagate the
>   request to other neighboring routers.

CSCeg09198 - IP multicast SSM mapping should support IGMPv3 EXCLUDE reports IGMP
CSCsi16903 - IGMPv3 mode 4 group report with {} source list gets
translated to mode 6
CSCtg35671 - IP Mulitcast SSM Mapping should support IGMPv3 Exclude reports